On 2014-05-07 22:26, Alexey Khoroshilov wrote:
As far as gr_queue() is called with spinlock held,
we have to pass GFP_ATOMIC regardless of gfp argument.
Found by Linux Driver Verification project (linuxtesting.org).
Signed-off-by: Alexey Khoroshilov <khoroshilov@xxxxxxxxx>
Acked-by: Andreas Larsson <andreas@xxxxxxxxxxx>
---
drivers/usb/gadget/gr_udc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/usb/gadget/gr_udc.c b/drivers/usb/gadget/gr_udc.c
index f984ee75324d..19a1b52c4210 100644
--- a/drivers/usb/gadget/gr_udc.c
+++ b/drivers/usb/gadget/gr_udc.c
@@ -1679,7 +1679,7 @@ static int gr_queue_ext(struct usb_ep *_ep, struct usb_request *_req,
if (ep->is_in)
gr_dbgprint_request("EXTERN", ep, req);
- ret = gr_queue(ep, req, gfp_flags);
+ ret = gr_queue(ep, req, GFP_ATOMIC);
spin_unlock(&ep->dev->lock);
--
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